Jedna se o znamy problem techto karet, vyrobce to neresi.
Je potreba grafiku rozebrat a vymenit thermal pads
https://www.youtube.com/watch?v=f8f6ZHCPVpw
I Copper Modded An RTX 3070 Ti. Memory Temperature Dropped 45 Degrees! This Is How. (110C to 64C)
https://www.youtube.com/results?search_query=OVERHEATING+RTX+3070
Take muzes zkusit reklamaci, vysledek nejisty